favor return over return _ (void return); newline/closing terminates

testbed/lexer/main.bro

@@ -44,7 +44,7 @@ _append func(tokens @mut std.ArrayList(Token), kind Kind, start, end usize) void
 		length = end - start,
 		kind = kind,
 	})
-	return _
+	return
 }
 
 lex func(source []u8, tokens @mut std.ArrayList(Token)) void ! mem.AllocError {
@@ -92,7 +92,7 @@ lex func(source []u8, tokens @mut std.ArrayList(Token)) void ! mem.AllocError {
 		}
 	}
 	try _append(tokens, .eof, cursor, cursor)
-	return _
+	return
 }
 
 _kind_name func(kind Kind) *c_char {

testbed/lexer/std/arraylist/arraylist.bro

@@ -25,7 +25,7 @@ deinit func($T type, list @mut ArrayList(T)) void {
 
 reserve func($T type, list @mut ArrayList(T), minimum_capacity usize) void ! mem.AllocError {
 	if minimum_capacity <= list.capacity {
-		return _
+		return
 	}
 
 	new_capacity usize = 8
@@ -48,7 +48,7 @@ reserve func($T type, list @mut ArrayList(T), minimum_capacity usize) void ! mem
 	}
 	list.items = grown.ptr[..length]
 	list.capacity = new_capacity
-	return _
+	return
 }
 
 append func($T type, list @mut ArrayList(T), value T) void ! mem.AllocError {
@@ -59,7 +59,7 @@ append func($T type, list @mut ArrayList(T), value T) void ! mem.AllocError {
 	try reserve(list, length + 1)
 	list.items = list.items.ptr[..length + 1]
 	list.items[length] = value
-	return _
+	return
 }
 
 clear func($T type, list @mut ArrayList(T)) void {

testbed/lexer/std/io/io.bro

@@ -71,7 +71,7 @@ write_all func(writer Writer, bytes []u8) void ! WriteError {
 		}
 		offset += count
 	}
-	return _
+	return
 }
 
 _system_read func(_ ?*mut anyopaque, stream ReadStream, buffer []mut u8) usize ! ReadError {